Question

explain how the piston mechanism of pollination takes place in papilionaceae​

Answer 1

Answer:

In the piston mechanism, the keel tip moves under the pressure of the insect while anthers and stigma keep their place. Pollen is released from the anthers and pushed out through a hole in the keel tip. ... When pressure is released, style and stigma return to their former position inside the keel.

Answer 2

Answer:

In the piston mechanism, the keel tip moves under the pressure of the insect while anthers and stigma keep their place. Pollen is released from the anthers and pushed out through a hole in the keel tip. ... When pressure is released, style and stigma return to their former position inside the keel.